worst nightmare
noun
: the thing someone fears most
Losing a child is every parent's worst nightmare.
Examples of worst nightmare in a Sentence
Recent Examples on the Web
What should've been a routine trip almost became one mother's worst nightmare, and it was caused by a mistake that any parent could make.
—
Josh Taylor,
CBS News,
29 June 2026
But even that would not have been humanity’s worst nightmare scenario.
—
Govert Schilling,
Scientific American,
27 June 2026
In a twist that constitutes modern teens’ worst nightmare, the guys actually had to speak to my parents!
—
Melissa Willets,
Parents,
22 June 2026
The latest screen translation of his work begins with a parent’s worst nightmare.
—
Yvonne Villarreal,
Los Angeles Times,
19 June 2026
See All Example Sentences for worst nightmare
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Josh Taylor,
CBS News,
29 June 2026
But even that would not have been humanity’s worst nightmare scenario.
—
Govert Schilling,
Scientific American,
27 June 2026
In a twist that constitutes modern teens’ worst nightmare, the guys actually had to speak to my parents!
—
Melissa Willets,
Parents,
22 June 2026
The latest screen translation of his work begins with a parent’s worst nightmare.
—
Yvonne Villarreal,
Los Angeles Times,
19 June 2026
See All Example Sentences for worst nightmare
Cite this Entry
“Worst nightmare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/worst%20nightmare. Accessed 6 Jul. 2026.
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